Replacement for DISCONTINUED 475T / 475Q Directed Electronics Remote Control Transmitter Offer is NOT for model 475T or 475Q. It is for manufacturer's recommend replacement remote for systems that used those discontinued models. 1st photo shows remote you will receive from this offer. 2nd remote is photo of the discontinued models and is for reference only. Works with PYTHON PC1000 HF (ESP), 1500 HF (date code 8D-up only), PC 3000 HF (date code 8B-up only), SIDEWINDER PC 6000 HF (date code 8B-up only) 6500 HF (date code 8D-up only), PC 7000 SHF (date code 8B-up only) Systems Works with VALET 450R (date code 8C-8E only) VIPER PC 500 HF (ESP) (date code 7J-up only), 550 HF (date code 8D-up only), 600 HF (date code 8B-up only), PC 800 SHF (date code 8B-up only) 4-Button Remote 434 Mhz